A coalition of tech investors and AI companies is launching a US political action network called "Leading the Future" to influence AI legislation.The initiative is backed by venture capital firm Andreessen Horowitz, OpenAI president Greg Brockman and his wife Anna Brock...

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Brave discovered a security flaw in Perplexitys AI browser Comet that allows for so-called indirect prompt injection attacks.In these attacks, malicious commands are hidden in web pages or comments and are then interpreted by the AI assistant as legitimate user instructions when ...

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xAI has released Grok 2 as an open model, including the weights.Elon Muskannounced on Xthat Grok 2.5, xAI's top model for 2024, is now open source. The weights for Grok 2 are available onHugging Face. Musk also saidGrok 3will be released as open source in about six months.

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Open-weight reasoning models often use far more tokens than closed models, making them less efficient per query, according to Nous Research.Models like DeepSeek and Qwen use 1.5 to 4 times more tokens than OpenAI and Grok-4-and up to 10 times more for simple knowledge tasks. Mist...

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